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분수: 분모 2자리 덧셈3분수2

1
3 20
+
5 20
=
8 20
3
+
5
=
2 5
2
5 88
+
1 88
=
6 88
5
+
1
=
3 44
3
1 75
+
3 75
=
4 75
4
3 85
+
5 85
=
8 85
5
5 53
+
2 53
=
7 53
6
2 95
+
7 95
=
9 95
7
7 26
+
1 26
=
8 26
7
+
1
=
4 13
8
1 44
+
7 44
=
8 44
1
+
7
=
2 11
9
7 54
+
5 54
=
12 54
7
+
5
=
2 9
10
5 57
+
9 57
=
14 57
11
9 30
+
4 30
=
13 30
12
4 81
+
1 81
=
5 81
13
1 26
+
3 26
=
4 26
1
+
3
=
2 13
14
3 66
+
6 66
=
9 66
3
+
6
=
3 22
15
3 16
+
4 16
=
7 16